Incorrect statement for Tyndall effect is:
Incorrect statement for Tyndall effect is:
Option 1 -
The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude.
Option 2 -
The diameter of the dispersed particles is much smaller than the wavelength of the light used.
Option 3 -
During projection of movies in the cinemas hall, Tyndall effect is noticed.
Option 4 -
It is used to distinguish a true solution from a colloidal solution
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1 Answer
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Correct Option - 2
Detailed Solution:→ number of electrons = 10
Br → number of electrons = 36
→ number of electrons = 2
→ number of electrons = 18
→ number of electrons = 2
→ number of electrons = 18
K+ → number of electrons = 18
O-2 → number of electrons = 10
Mg+2 → number of electrons = 10
O-2 & Mg+2 are isoelectronic with Al+3
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The process of settling of colloidal particles is
In physisorption multimolecular layers are formed on solid surface.
Emulsion is a colloidal solution of liquid in liquid.
Haemoglobin is a positive colloid. Hence greater is the charge of anion, more effective will be the coagulation of haemoglobin.
Therefore,
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